Meaning of Ferrel's law in English:

Ferrel's law

Pronunciation /ˈfɛrəlz/


  • A law stating that Coriolis forces deflect winds and freely moving objects to the right in the northern hemisphere and to the left in the southern hemisphere.

    ‘In the northern hemisphere, the wind direction of the anticyclone follows Ferrel's law but not the direction for the cyclone (reverse).’
    • ‘The Coriolis effect becomes Ferrel's law when geographers describe the mindless motion of liquids flowing across a rotating spherical body.’


Early 20th century named after William Ferrel (1817–91), American meteorologist.